Check U.S. tariffs now. Know when they change.
TariffCatalog Tariff Intelligence: resolve current or historical U.S. tariff treatment, track tariff changes, review customs bills, compare origin scenarios, prepare customs documents, and monitor catalog tariff impact from one customs-data workflow.

Tariff Intelligence quick actions
Five capabilities, one workflow
Check, Track, Monitor, Prepare, and Integrate — every capability pulls from the same canonical Resolver.
As-of Tariff
Resolve canonical U.S. tariff treatment for a specific HTS, origin, and entry date.
TrackTariff Changes
Active, upcoming, and historical U.S. tariff measures in one chronological timeline.
ReviewCustoms Bill
Review a customs bill or duty notice and classify each line.
CompareOrigin Comparison
Compare canonical customs treatment across origins for the same HTS and date.
PrepareDocument Pack
Draft Commercial Invoice, Proforma, Packing List, CN22, and CN23 from one shipment.
MonitorCatalog Monitoring
Watch catalog tariff-state changes with Workspace Watch / Alerts.
Start with a safer customs workflow
Free tools to prepare customs data

Prepare product catalogs before shipping
Upload a product CSV, map SKU, product title, country of origin, and HS code fields, then review candidate HS codes, confidence labels, missing origin fields, and weak descriptions before preparing duty estimates or document drafts.
- Supports Shopify, WooCommerce, Amazon, and custom CSV exports
- Candidate HS code suggestions per SKU
- Flags missing country of origin and weak descriptions
- Designed for catalog-first customs data checks

Estimate tariff and duty inputs before you quote
Use customs value, base duty, additional tariff, VAT or import tax inputs, fees, and delivery terms to prepare estimate-only landed cost and DDP planning outputs before quoting or shipping.
- Base duty + additional tariff + VAT or import tax
- Customs value basis: FOB, CIF, or manual
- Low-value and Section 301 review workflows
- Landed cost and DDP planning outputs

Generate customs document drafts for review
Prepare commercial invoice, proforma invoice, packing list, and CN22/CN23 draft data with HS code, country of origin, Incoterms, line items, quantity, value, and printable PDF preview support. The Customs Document Pack orchestrates all five from one shipment draft.
- Commercial invoice and proforma invoice drafts
- Packing list draft support
- CN22/CN23 postal form helper
- Printable PDF previews for review
Secondary tools
Other free customs tools
Import / export preparation workflows that round out the Tariff Intelligence product.
HTS Lookup
Search the active USITC HTS schedule.
HS Code Finder
Find candidate HS codes with verification questions.
Import Duty Calculator
Estimate customs value, base duty, additional tariff, VAT, fees.
Landed Cost
Break down product cost, freight, duty, tax, fees per unit.
CSV Catalog Checker
Scan Shopify, WooCommerce, Amazon, or custom CSV exports.
- Local CSV parsing
- Candidate HS codes only
- Estimate-only customs tools
- Printable draft documents
Catalog sources
Works with common catalog sources
- Shopify
- WooCommerce
- Amazon
- Custom CSV
- Manual Product List
Trust / Official sources
Verify final filing details with the right authority
TariffCatalog is informational and preparation-focused. Final classification, tariff treatment, and filing requirements remain with official destination sources.
- CBP: US customs guidance and e-commerce import rules.
- USTR: Section 301 and US tariff action references.
- USITC HTS: US Harmonized Tariff Schedule lookup.
- UK Trade Tariff: UK commodity codes and import duty references.
- EU TARIC: EU integrated tariff reference.
- Shopify HS codes: Shopify product customs information guidance.
Latest customs guides
Tariff intelligence, written out
Source-backed workflows for importers and ecommerce teams, from first shipment preparation through entry review.

EEI Filing in AES for US Ecommerce Exports
Decide whether an export needs an Electronic Export Information filing, apply the threshold per product line, and hand the right citation to the carrier.
Read guide
CBP Form 3461: Entry and Immediate Delivery
Separate the release document from the entry summary, assemble the documentation CBP requires, and reconcile invoice and packing-list data before filing.
Read guide
Section 338 Tariffs Explained
Understand the discrimination authority behind an additional duty, how it differs from Section 232 and Section 301, and the entry facts to prepare.
Read guide
De Minimis Suspension for Low-Value Imports
The US duty-free de minimis exemption is suspended. Confirm the current rule, prepare duty and shipment data, and reprice low-value parcels.
Read guide
Informal Entry vs Formal Entry
Compare the simplified and standard US customs entry processes, when a bond applies, and the data to prepare before the entry is filed.
Read guide
Single-Entry vs Continuous Customs Bond
Compare bond coverage using shipment frequency, entered value, duty exposure, ISF needs, and the importer’s 12-month plan.
Read guideReady to prepare your customs data?
Start with free Check tools. Upgrade only when you need ongoing catalog monitoring or Business API access.
